Alert archive / Ohio / Flash Flood Watches in 2013

Flash Flood Watch 5, NWS Wilmington, OH

July 22, 201327 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana

NWS Wilmington, OH issued this flash flood watch at Jul 22, 2013, 3:41 AM EDT for 27 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana. It took effect at Jul 22, 2013, 6:00 AM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Jul 22, 2013, 3:41 AM EDT (07:41 UTC)
In effect from: Jul 22, 2013, 6:00 AM EDT
Expired: Jul 22, 2013, 7:28 PM EDT
In force: 13 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 44 counties

Dearborn County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 15 km from the middle of the area, began a volume at 07:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.7 hours before the alert went out and 17 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1029 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 945 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this flash flood watch went out at Jul 22, 2:06 AM EDT, 1 hour 35 minutes earlier.

Area forecast discussion, Jul 22, 2:06 AM EDT, 1 hour 35 minutes before

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Hazardous weather outlook, Jul 21, 4:33 PM EDT, 11 hours 8 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
433 PM EDT SUN JUL 21 2013

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-222045-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-
SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-
PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-DARKE-
SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-
FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY-
FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN-
HIGHLAND-ADAMS-PIKE-SCIOTO-
433 PM EDT SUN JUL 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN
KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL
OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO.

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

LOW PRESSURE CONTAINING PLENTIFUL MOISTURE WILL CROSS THE REGION
ON MONDAY. AS A RESULT...A FEW ROUNDS OF SHOWERS AND THUNDERSTORMS
ARE EXPECTED. SOILS REMAIN RATHER MOIST FROM RECENT RAINFALL...SO
LOCALIZED FLOODING COULD OCCUR...ESPECIALLY OVER AREAS THAT
RECEIVED HEAVY RAIN OVER THE FEW DAYS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 22, 1:50 AM EDT, 1 hour 51 minutes before

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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 1:50 AM EDT	Special Weather Statement	ILN	Preble	55 min
Jul 22, 7:56 AM EDT	Areal Flood Advisory	ILN	Champaign, Logan, Union	3 hr
Jul 22, 8:32 AM EDT	Flash Flood Warning	ILN	Union	3 hr
Jul 22, 8:46 AM EDT	Areal Flood Advisory	ILN	Delaware, Union	3 hr
Jul 22, 8:57 AM EDT	Areal Flood Advisory	ILN	Franklin	3 hr
Jul 22, 9:22 AM EDT	Flash Flood Warning	ILN	Delaware, Union	3 hr
Jul 22, 9:41 AM EDT	Flash Flood Warning	ILN	Franklin	3 hr
Jul 22, 10:26 AM EDT	Areal Flood Advisory	ILN	Delaware, Fairfield, Franklin, Licking	3 hr
Jul 22, 11:28 AM EDT	Areal Flood Warning	ILN	Delaware, Union	5 hr
Jul 22, 11:50 AM EDT	Areal Flood Advisory	ILN	Licking	115 min
Jul 22, 12:11 PM EDT	Areal Flood Advisory	ILN	Adams, Scioto	2 hr
Jul 22, 12:35 PM EDT	Areal Flood Warning	ILN	Franklin	4 hr
Jul 22, 1:08 PM EDT	Areal Flood Advisory	ILN	Scioto	112 min
Jul 22, 12:52 AM EDT	Areal Flood Advisory	ILN	Grant, Owen	3 hr
Jul 22, 1:08 AM EDT	Flash Flood Warning	ILN	Grant, Owen	3 hr
Jul 22, 1:43 AM EDT	Areal Flood Advisory	ILN	Boone, Gallatin, Grant, Kenton	3 hr

Nearby

Flash Flood Watches in Ohio, 2013 Flash Flood Watches in Kentucky, 2013 Flash Flood Watches in Indiana, 2013 Every flash flood watch in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.